package com.baymax.study.security.infrastructure.security.exception;

import com.alibaba.fastjson.JSON;
import com.baymax.study.atomic.tools.ResultMsg;
import com.baymax.study.security.infrastructure.utils.WebUtils;
import org.springframework.http.HttpStatus;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 认证过程中出现的异常会被封装成AuthenticationException然后调用AuthenticationEntryPoint对象的方法去进行异常处理
 */
@Component
public class AuthenticationEntryPointImpl implements AuthenticationEntryPoint {
    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException {
        ResultMsg result = ResultMsg.buildFailed(String.valueOf(HttpStatus.UNAUTHORIZED.value()), "认证失败请重新登录");
        String json = JSON.toJSONString(result);
        WebUtils.renderString(response, json);
    }
}

